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11-03-2008, 10:09 PM
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#1 (permalink) |
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Walking
Join Date: Nov 2008
Drives: '05 Chevy Cobalt
Posts: 3
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05 cobalt rear defrost not working
My rear defroster isnt working. The light lights up, no known fuse for it but tested them ALL and none are blown but still no power at the connections on the window...cannot get ahold of any wiring diagram, any suggestions?
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11-03-2008, 11:21 PM
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#2 (permalink) |
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4.6 Liter Northstar V8
Join Date: Apr 2005
Location: Michigan
Drives: 2009 Chevrolet Impala LT, 83 Camaro Z28
Posts: 1,752
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Re: 05 cobalt rear defrost not working
you have an open somewhere or a bad ground. if you dont have any power at the grid.
if certain spots dont clear, then you have an open in the grid somewhere
__________________
 ASE Master Certified Technican ASE Advanced level L1 Engine Performance Specialist GM MOE - 2007 bronze level current cars in garage- 09 Chevrolet Impala - daily driver 83 Camaro Z28  
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11-04-2008, 11:58 AM
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#3 (permalink) |
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3.0 Liter SIDI V6
Join Date: Oct 2005
Location: Flint, MI
Drives: 2007 Saturn Ion QC
Posts: 502
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Re: 05 cobalt rear defrost not working
Check the relay under the hood in the fuse block. On the delta platforms, it's a common issue. It is still there, but can get tilted so it's not in it's socket anymore. Just plug it back in.
__________________
"This is supposed to be a free market. If consumers need fuel efficient cars, it's their responsibility to buy efficient cars." "The gov't won't help in a bailout, but they have massive demands..." |
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11-04-2008, 05:42 PM
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#4 (permalink) |
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Walking
Join Date: Nov 2008
Drives: '05 Chevy Cobalt
Posts: 3
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Re: 05 cobalt rear defrost not working
I know that there is a problem somewhere i just don't have a wiring diagram to see where any plugs are that the wire might run thru. Also, I need to know what color wire the hot wire is to the window. And thank you, i have checked the relay already and swapped it with another in the fusebox to check if it is the relay and it is not. It does click everytime I turn the defroster on and it still is getting no power.
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11-05-2008, 11:54 AM
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#5 (permalink) |
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3.0 Liter SIDI V6
Join Date: Oct 2005
Location: Flint, MI
Drives: 2007 Saturn Ion QC
Posts: 502
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Re: 05 cobalt rear defrost not working
You had a spare relay in the fusebox under the hood? That doesn't sound right.
__________________
"This is supposed to be a free market. If consumers need fuel efficient cars, it's their responsibility to buy efficient cars." "The gov't won't help in a bailout, but they have massive demands..." |
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11-21-2008, 05:56 PM
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#6 (permalink) |
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Walking
Join Date: Nov 2008
Drives: '05 Chevy Cobalt
Posts: 3
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Re: 05 cobalt rear defrost not working
I didnt have an extra...I just used one that I didnt need for the car to run, nor for the rear defroster...I switched them and everything but the defroster still functioned properly, therefore ruling out the relay as the problem :/...any more suggestions as to where there might be a break in the wiring harness with a plug or anything? Maybe which side of the car the wires for the defrost is running?
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